panic: Caught invalid memory access at ffffffff85082334 size 4 op 0 Stopped at db_enter+0x17: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND *470325 23320 0 0 0x4000000 0K syz-executor 8894 37760 0 0x2 0 1 syz-executor db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84638c51) at panic+0x270 sys/kern/subr_prf.c:198 __asan_load4_noabort(ffffffff85082334) at __asan_load4_noabort+0xa3 checkalias(ffff800001d377b8,ffff7fff) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d80800,ffff80003bb7b4c0) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d80800,665c,ffff80003bb7b680) at ffs_vget+0x748 sys/ufs/ffs/ffs_vfsops.c:1285 ufs_lookup() at ufs_lookup+0x15c1 sys/ufs/ufs/ufs_lookup.c:573 VOP_LOOKUP(ffff800001c69a30,ffff80003bb7bf60,ffff80003bb7bf90) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003bb7bf30) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff80003bb7bf30) at namei+0xe19 sys/kern/vfs_lookup.c:250 vn_open(ffff80003bb7bf30,81,0) at vn_open+0x240 sys/kern/vfs_vnops.c:146 doopenat(ffff800034ef2fc0,ffffff9c,200000001980,80,0,0,ffff80003bb7c2a0) at doopenat+0x460 sys/kern/vfs_syscalls.c:1163 sys_open(ffff800034ef2fc0,ffff80003bb7c2a0,ffff80003bb7c200) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff80003bb7c2a0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bb7c2a0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 end trace frame: 0xffff80003bb7c320, count: 0 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: Caught invalid memory access at ffffffff85082334 size 4 op 0 ddb{0}> show kasan KASAN: invalid read of 4 bytes at 0xffffffff85082334 from pc 0xffffffff812d0c5d KASAN: first bad byte at 0xffffffff85082334 (+0); shadow 0xfa: global redzone (out-of-bounds) KASAN: 0xffffffff85082334 is 16 bytes to the right of the 4-byte global 'mem_no' (/syzkaller/managers/kasan/kernel/sys/arch/amd64/amd64/conf.c) KASAN: pc: checkalias+0x47d KASAN: call trace: #0 __asan_load4_noabort+0x82 kasan_shadow_check sys/kern/subr_kasan.c:1014 [inline] #0 __asan_load4_noabort+0x82 sys/kern/subr_kasan.c:1098 #1 checkalias+0x47d sys/kern/vfs_subr.c:603 #2 ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 #3 ffs_vget+0x748 sys/ufs/ffs/ffs_vfsops.c:1285 #4 ufs_lookup+0x15c1 sys/ufs/ufs/ufs_lookup.c:573 #5 VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 #6 vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 #7 namei+0xe19 sys/kern/vfs_lookup.c:250 #8 vn_open+0x240 sys/kern/vfs_vnops.c:146 #9 doopenat+0x460 sys/kern/vfs_syscalls.c:1163 #10 sys_open+0x86 sys/kern/vfs_syscalls.c:1065 #11 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #12 Xsyscall+0x128 KASAN: shadow of 0xffffffff85082200..0xffffffff85082480 (1 cell = 8 bytes): 0xffffffff85082200: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0xffffffff85082280: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa >0xffffffff85082300: 00 fa fa fa 00 fa[fa]fa 00 fa fa fa 00 00 00 00 0xffffffff85082380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0xffffffff85082400: 00 fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00 KASAN: legend: 00 valid; 01..07 partial; fb malloc redzone; fc malloc freed; fd pool freed; fe kmem; fa global; f1..f4/f8 stack/scope ddb{0}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84638c51) at panic+0x270 sys/kern/subr_prf.c:198 __asan_load4_noabort(ffffffff85082334) at __asan_load4_noabort+0xa3 checkalias(ffff800001d377b8,ffff7fff) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d80800,ffff80003bb7b4c0) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d80800,665c,ffff80003bb7b680) at ffs_vget+0x748 sys/ufs/ffs/ffs_vfsops.c:1285 ufs_lookup() at ufs_lookup+0x15c1 sys/ufs/ufs/ufs_lookup.c:573 VOP_LOOKUP(ffff800001c69a30,ffff80003bb7bf60,ffff80003bb7bf90) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003bb7bf30) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff80003bb7bf30) at namei+0xe19 sys/kern/vfs_lookup.c:250 vn_open(ffff80003bb7bf30,81,0) at vn_open+0x240 sys/kern/vfs_vnops.c:146 doopenat(ffff800034ef2fc0,ffffff9c,200000001980,80,0,0,ffff80003bb7c2a0) at doopenat+0x460 sys/kern/vfs_syscalls.c:1163 sys_open(ffff800034ef2fc0,ffff80003bb7c2a0,ffff80003bb7c200) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff80003bb7c2a0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bb7c2a0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9e27214060, count: -15 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003bb7b150 rbx 0xffff80003bb7b1c0 rdx 0 rcx 0xffffffff852c8ff0 cpu_info_full_primary+0x1ff0 rax 0xffff800000165900 r8 0x101010101010101 r9 0x8080808080808080 r10 0xffff80003bb7af38 r11 0xffffffff815c6a70 x86_bus_space_io_read_1 r12 0xffffffff84638c51 __rodata_start+0x9fc51 r13 0xffffffff852c9c08 cpu_info_full_primary+0x2c08 r14 0xffffffff852c9e07 cpu_info_full_primary+0x2e07 r15 0x1 rip 0xffffffff8312f677 db_enter+0x17 cs 0x8 rflags 0x246 rsp 0xffff80003bb7b150 ss 0x10 db_enter+0x17: popq %rbp ddb{0}> show proc PROC (syz-executor) tid=470325 pid=23320 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=66, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800034ef2560,0xffff800034ef2808 process=0xffff800045ff26a0 user=0xffff80003bb71000, vmspace=0xffff800001c50d70 estcpu=16, cpticks=19, pctcpu=0.0, user=0, sys=18, intr=1 ddb{0}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 75686 170327 36946 0 2 0 0 syz-executor 75686 26407 36946 0 2 0 0x4000000 syz-executor 83833 353194 38216 0 2 0 0 syz-executor 83833 158834 38216 0 3 0 0x4000080 sbwait syz-executor 39859 259242 37760 0 2 0 0 syz-executor 39859 428836 37760 0 3 0 0x4000080 fsleep syz-executor 31673 181927 63928 0 2 0 0 syz-executor 80320 368632 56955 0 2 0 0 syz-executor 80320 1148 56955 0 2 0 0x4000000 syz-executor 14673 129893 0 0 3 0x14000 0x280 nfsidl nfsio 97631 502266 0 0 3 0x14000 0x280 nfsidl nfsio 67239 163874 0 0 3 0x14000 0x280 nfsidl nfsio 60626 133331 0 0 3 0x14000 0x280 nfsidl nfsio 72793 404450 0 0 3 0x14000 0x280 nfsidl nfsio 31437 251697 0 0 3 0x14000 0x280 nfsidl nfsio 577 318965 0 0 3 0x14000 0x280 nfsidl nfsio 20109 390764 0 0 3 0x14000 0x280 nfsidl nfsio 36056 113632 0 0 3 0x14000 0x280 nfsidl nfsio 23951 262555 0 0 3 0x14000 0x280 nfsidl nfsio 62531 119921 0 0 3 0x14000 0x280 nfsidl nfsio 69693 448212 0 0 3 0x14000 0x280 nfsidl nfsio 34942 311751 0 0 3 0x14000 0x280 nfsidl nfsio 47033 163068 0 0 3 0x14000 0x280 nfsidl nfsio 10742 39042 0 0 3 0x14000 0x280 nfsidl nfsio 42225 16568 0 0 3 0x14000 0x280 nfsidl nfsio 75604 345048 0 0 3 0x14000 0x280 nfsidl nfsio 30991 66754 0 0 3 0x14000 0x280 nfsidl nfsio 97940 102183 0 0 3 0x14000 0x280 nfsidl nfsio 31917 471951 0 0 3 0x14000 0x280 nfsidl nfsio 34571 186017 50457 0 2 0 0 syz-executor 34571 26198 50457 0 3 0 0x4000080 fsleep syz-executor 69346 245830 28568 0 2 0 0xc80 syz-executor 69346 263127 28568 0 3 0 0x4000080 fsleep syz-executor 69346 216397 28568 0 3 0 0x4000080 kqread syz-executor 69346 240792 28568 0 3 0 0x4000080 fsleep syz-executor 23320 438306 17237 0 2 0 0 syz-executor *23320 470325 17237 0 7 0 0x4000000 syz-executor 56955 383752 67133 0 2 0x2 0xc80 syz-executor 28568 46854 67133 0 2 0x2 0xc80 syz-executor 17237 48767 67133 0 2 0x2 0xc80 syz-executor 36946 377243 67133 0 2 0x2 0xc80 syz-executor 50457 359270 67133 0 2 0x2 0 syz-executor 37760 8894 67133 0 7 0x2 0 syz-executor 38216 286430 67133 0 2 0x2 0xc80 syz-executor 63928 159603 67133 0 2 0x2 0 syz-executor 67133 504787 67111 0 3 0x2 0x80 kqread syz-executor 67111 327200 6938 0 3 0x100002 0x88 sigsusp ksh 6938 431931 53277 0 3 0x10 0x88 kqread sshd-session 53277 189692 62455 0 3 0x12 0x80 kqread sshd-session 40411 167726 1 0 3 0x100003 0x80 ttyin getty 62455 127449 1 0 3 0 0x88 kqread sshd 47272 296319 73238 74 3 0x1100012 0x80 bpf pflogd 73238 139038 1 0 3 0 0x80 sbwait pflogd 78156 235251 55275 73 2 0x1100010 0x80 syslogd 55275 479159 1 0 3 0x100002 0x80 sbwait syslogd 75650 135369 1 0 3 0x100000 0x80 kqread resolvd 91073 246845 26036 77 3 0x100012 0x80 kqread dhcpleased 72436 45185 26036 77 3 0x100012 0x80 kqread dhcpleased 26036 314074 1 0 3 0 0x80 kqread dhcpleased 65403 232801 0 0 2 0x14000 0x200 smr 74520 136697 0 0 2 0x14000 0x200 zerothread 49139 75986 0 0 3 0x14000 0x200 aiodoned aiodoned 71263 464347 0 0 3 0x14000 0x200 syncer update 75704 402542 0 0 3 0x14000 0x200 cleaner cleaner 15895 518461 0 0 3 0x14000 0x200 reaper reaper 57617 136250 0 0 3 0x14000 0x200 pgdaemon pagedaemon 15599 418991 0 0 3 0x14000 0x200 bored viomb 95255 179243 0 0 3 0x14000 0x40000200 acpi0 acpi0 76578 459399 0 0 3 0x14000 0x40000200 idle1 58456 476728 0 0 3 0x14000 0x200 bored softnet1 84135 269479 0 0 2 0x14000 0x200 softnet0 26871 248416 0 0 3 0x14000 0x200 bored systqmp 38701 500282 0 0 3 0x14000 0x200 bored systq 44494 175360 0 0 2 0x14000 0x200 softclockmp 70279 483848 0 0 3 0x14000 0x40000200 tmoslp softclock 16200 359331 0 0 3 0x14000 0x40000200 idle0 1 222310 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{0}> show all locks Process 23320 (syz-executor) thread 0xffff800034ef2fc0 (470325) exclusive rrwlock inode r = 0 (0xffff800001c56218) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0xda sys/ufs/ufs/ufs_ihash.c:146 #5 ffs_vget+0x2e9 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ufs_lookup+0x15c1 sys/ufs/ufs/ufs_lookup.c:573 #7 VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 #8 vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 #9 namei+0xe19 sys/kern/vfs_lookup.c:250 #10 vn_open+0x240 sys/kern/vfs_vnops.c:146 #11 doopenat+0x460 sys/kern/vfs_syscalls.c:1163 #12 sys_open+0x86 sys/kern/vfs_syscalls.c:1065 #13 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffff800001d2ca38) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 vn_lock+0xca sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x1f7 sys/kern/vfs_lookup.c:431 #6 namei+0xe19 sys/kern/vfs_lookup.c:250 #7 vn_open+0x240 sys/kern/vfs_vnops.c:146 #8 doopenat+0x460 sys/kern/vfs_syscalls.c:1163 #9 sys_open+0x86 sys/kern/vfs_syscalls.c:1065 #10 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8545f080) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 doopenat+0x445 sys/kern/vfs_syscalls.c:1163 #2 sys_open+0x86 sys/kern/vfs_syscalls.c:1065 #3 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11060 12317K 12463K 166960K 12222 0 pcb 17 28K 30K 166960K 39 0 rtable 239 12K 13K 166960K 353 0 pf 34 22K 24K 166960K 48 0 ifaddr 43 12K 12K 166960K 46 0 ifgroup 55 2K 2K 166960K 57 0 sysctl 1 1K 13K 166960K 5 0 counters 70 42K 43K 166960K 72 0 ioctlops 0 0K 4K 166960K 1493 0 iov 0 0K 0K 166960K 3 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1300 84K 84K 166960K 1414 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 2 2K 2K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 1K 166960K 5 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 292K 166960K 11964 0 file desc 18 65K 93K 166960K 211 0 proc 71 128K 193K 166960K 563 0 subproc 72 9K 9K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 20K 20K 166960K 1 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 5 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 49 344K 344K 166960K 49 0 exec 0 0K 2K 166960K 383 0 fusefs mount 1 36K 36K 166960K 1 0 tdb 3 1K 1K 166960K 3 0 VM swap 14 124K 124K 166960K 15 0 UVM amap 221 244K 263K 166960K 3728 0 UVM aobj 4 4K 4K 166960K 4 0 pinsyscall 1067 1749K 1749K 166960K 1367 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 12 0K 2K 166960K 29 0 temp 35 9162K 9182K 166960K 4011 0 kqueue 15 48K 56K 166960K 40 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 28 0 0 1 0 1 1 0 8 0 rtpcb 120 33 0 30 1 0 1 1 0 8 0 rtentry 176 112 0 1 6 0 6 6 0 8 0 unpcb 144 373 0 350 8 0 8 8 0 8 7 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 18 0 14 1 0 1 1 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 213 0 206 6 0 6 6 0 8 5 nd6 152 25 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 1 0 1 1 0 1 1 0 8 1 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 29 0 0 1 0 1 1 0 8 0 pfstkey 128 29 0 0 1 0 1 1 0 8 0 pfstate 448 29 0 0 4 0 4 4 0 8 0 pfrule 1360 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 460 0 0 29 0 29 29 0 8 0 art_table 40 461 0 0 5 0 5 5 0 8 0 art_node 32 112 0 11 1 0 1 1 0 8 0 semapl 72 2 0 0 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1682 0 212 93 0 93 93 0 8 0 ffsino 296 1682 0 212 114 0 114 114 0 8 0 nchpl 144 1989 0 287 64 0 64 64 0 8 0 vnodes 216 1807 0 0 101 0 101 101 0 8 0 namei 1024 6393 0 6392 1 0 1 1 0 8 0 percpumem 16 52 0 1 1 0 1 1 0 8 0 kstatmem 264 29 0 2 2 0 2 2 0 8 0 scxspl 216 7359 0 7359 2 1 1 2 1 8 1 plimitpl 152 36 0 19 1 0 1 1 0 8 0 sigapl 424 548 0 480 8 0 8 8 0 8 0 knotepl 120 83 0 0 3 0 3 3 0 8 0 kqueuepl 224 45 0 33 1 0 1 1 0 8 0 pipepl 344 144 0 116 3 0 3 3 0 8 0 fdescpl 528 512 0 480 3 0 3 3 0 8 0 filepl 160 2643 0 2422 20 2 18 20 0 8 8 lockfpl 104 33 0 30 1 0 1 1 0 8 0 lockfspl 48 14 0 11 1 0 1 1 0 8 0 sessionpl 144 28 0 19 1 0 1 1 0 8 0 pgrppl 48 37 0 20 1 0 1 1 0 8 0 ucredpl 104 157 0 143 1 0 1 1 0 8 0 zombiepl 144 480 0 480 1 0 1 1 0 8 1 processpl 1232 548 0 480 6 0 6 6 0 8 0 procpl 664 695 0 618 7 0 7 7 0 8 0 sockpl 752 619 0 586 28 16 12 28 0 8 8 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 113 0 0 15 0 15 15 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mextrefs 64 18 0 0 1 0 1 1 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 286 0 0 18 0 18 18 0 8 0 bufpl 272 2536 0 106 162 0 162 162 0 8 0 anonpl 32 3829 0 0 31 0 31 31 0 222 0 amapchunkpl 152 10516 0 10075 22 0 22 22 0 158 3 amappl16 200 1922 0 1898 5 3 2 5 0 8 0 amappl15 192 9 0 9 2 2 0 1 0 8 0 amappl14 184 433 0 432 1 0 1 1 0 8 0 amappl13 176 123 0 111 1 0 1 1 0 8 0 amappl12 168 780 0 749 2 0 2 2 0 8 0 amappl11 160 24 0 24 1 1 0 1 0 8 0 amappl10 152 94 0 80 1 0 1 1 0 8 0 amappl9 144 276 0 275 2 1 1 1 0 8 0 amappl8 136 97 0 95 1 0 1 1 0 8 0 amappl7 128 149 0 136 1 0 1 1 0 8 0 amappl6 120 157 0 156 1 0 1 1 0 8 0 amappl5 112 98 0 88 1 0 1 1 0 8 0 amappl4 104 294 0 276 1 0 1 1 0 8 0 amappl3 96 1972 0 1866 4 0 4 4 0 8 1 amappl2 88 541 0 477 2 0 2 2 0 8 0 amappl1 80 10657 0 10052 15 0 15 15 0 8 2 amappl 88 2995 0 2846 5 0 5 5 0 92 1 uvmvnodes 80 100 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 512 0 480 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 512 0 480 1 0 1 1 0 8 0 vmmpekpl 168 6352 0 6319 2 0 2 2 0 8 0 vmmpepl 168 41919 0 39991 87 0 87 87 0 357 3 vmsppl 488 511 0 480 5 0 5 5 0 8 1 rwobjpl 80 15332 0 14322 24 0 24 24 0 8 1 pdppl 4096 1033 0 960 99 26 73 87 0 8 0 pvpl 32 10496 0 0 85 0 85 85 0 265 0 pmappl 256 511 0 480 3 0 3 3 0 8 0 extentpl 40 47 0 29 1 0 1 1 0 8 0 phpool 120 441 0 29 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84638c51) at panic+0x270 sys/kern/subr_prf.c:198 __asan_load4_noabort(ffffffff85082334) at __asan_load4_noabort+0xa3 checkalias(ffff800001d377b8,ffff7fff) at checkalias+0x47d sys/kern/vfs_subr.c:603 ffs_vinit(ffff800000d80800,ffff80003bb7b4c0) at ffs_vinit+0x227 sys/ufs/ffs/ffs_subr.c:235 ffs_vget(ffff800000d80800,665c,ffff80003bb7b680) at ffs_vget+0x748 sys/ufs/ffs/ffs_vfsops.c:1285 ufs_lookup() at ufs_lookup+0x15c1 sys/ufs/ufs/ufs_lookup.c:573 VOP_LOOKUP(ffff800001c69a30,ffff80003bb7bf60,ffff80003bb7bf90) at VOP_LOOKUP+0xda sys/kern/vfs_vops.c:85 vfs_lookup(ffff80003bb7bf30) at vfs_lookup+0xfbd sys/kern/vfs_lookup.c:580 namei(ffff80003bb7bf30) at namei+0xe19 sys/kern/vfs_lookup.c:250 vn_open(ffff80003bb7bf30,81,0) at vn_open+0x240 sys/kern/vfs_vnops.c:146 doopenat(ffff800034ef2fc0,ffffff9c,200000001980,80,0,0,ffff80003bb7c2a0) at doopenat+0x460 sys/kern/vfs_syscalls.c:1163 sys_open(ffff800034ef2fc0,ffff80003bb7c2a0,ffff80003bb7c200) at sys_open+0x86 sys/kern/vfs_syscalls.c:1065 syscall(ffff80003bb7c2a0) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003bb7c2a0) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9e27214060, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x19: leave x86_ipi_db(ffff800028fe3ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff8545e880) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff8545e880) at __mp_lock+0x272 sys/kern/kern_lock.c:173 syscall(ffff800029a14240) at syscall+0x1048 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff800029a14240) at syscall+0x1048 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x738b37dc4ea0, count: 9 ddb{1}> trace x86_ipi_db(ffff800028fe3ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff8545e880) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff8545e880) at __mp_lock+0x272 sys/kern/kern_lock.c:173 syscall(ffff800029a14240) at syscall+0x1048 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff800029a14240) at syscall+0x1048 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x738b37dc4ea0, count: -6